Industrial grade Non-Desiccant Breather creates an impenetrable barrier against water droplets and its pleated element provides a large surface area and is 99.5% efficient in blocking particles of 1 micron or larger. The Non-Desiccant Breather is designed with visual vacuum indicator option which actuates when maximum restriction is reached. The Non-Desiccant Breather is made of quality grade raw material which ensures optimum durability along with long lasting trouble free service. Industrial grade Non-Desiccant Breather is strong and rigid in construction and requires minimal maintenance.